Q: Which brand of shaker should I choose for my combine harvester?

Deutz-Fahr models stand out for their proven durability, while Fendt offers optimal separation even with large straw volumes. New Holland and Laverda provide high-performance variable speed systems particularly suited for demanding conditions. Claas remains a reliable reference with wide compatibility across different combine harvester models.

Q: How to properly maintain used shakers?

Regularly check the condition of bearings and bushings to detect any abnormal play or unusual noises. Inspect the tension of drive belts and lubricate grease points according to manufacturer recommendations. Examine shaking grids for cracks or deformations that would compromise grain-straw separation.

Q: When should shaker wear parts be replaced?

Replace wooden bearings as soon as excessive play or visible cracks appear. Grids require replacement after deformation or broken bars. Monitor crankshafts for abnormal vibrations or metallic noises during operation. A higher-than-normal grain loss rate at the shakers also indicates that worn components should be replaced.

Q: How to reduce grain losses at the shakers?

Adjust the shaker speed between 150 and 200 strokes per minute with a 20° working angle to optimize separation. Maintain a feed rate adapted to machine throughput to avoid overload. Properly set the spacing between grids according to harvest conditions and grain moisture.

Q: Are used shakers compatible across brands?

Inter-brand compatibility is generally limited as each manufacturer develops specific dimensions and fixings. Claas shakers do not fit directly on John Deere or Massey Ferguson combines due to differences in drive systems and mounting points. Only certain parts like grids may sometimes be interchangeable depending on models and production years.

Question 1

How does a combine harvester shaker work?

Accepted Answer

The shaker acts after the threshing drum and concave to extract the last remaining grains from the ears through impacts and friction. Its shaking motion moves the straw towards the back of the machine using ridges resembling steps, effectively separating grain from straw.

Question 2

Which brand of shaker should I choose for my combine harvester?

Accepted Answer

Deutz-Fahr models stand out for their proven durability, while Fendt offers optimal separation even with large straw volumes. New Holland and Laverda provide high-performance variable speed systems particularly suited for demanding conditions. Claas remains a reliable reference with wide compatibility across different combine harvester models.

Question 3

How to properly maintain used shakers?

Accepted Answer

Regularly check the condition of bearings and bushings to detect any abnormal play or unusual noises. Inspect the tension of drive belts and lubricate grease points according to manufacturer recommendations. Examine shaking grids for cracks or deformations that would compromise grain-straw separation.

Question 4

When should shaker wear parts be replaced?

Accepted Answer

Replace wooden bearings as soon as excessive play or visible cracks appear. Grids require replacement after deformation or broken bars. Monitor crankshafts for abnormal vibrations or metallic noises during operation. A higher-than-normal grain loss rate at the shakers also indicates that worn components should be replaced.

Question 5

How to reduce grain losses at the shakers?

Accepted Answer

Adjust the shaker speed between 150 and 200 strokes per minute with a 20° working angle to optimize separation. Maintain a feed rate adapted to machine throughput to avoid overload. Properly set the spacing between grids according to harvest conditions and grain moisture.

Question 6

Are used shakers compatible across brands?

Accepted Answer

Inter-brand compatibility is generally limited as each manufacturer develops specific dimensions and fixings. Claas shakers do not fit directly on John Deere or Massey Ferguson combines due to differences in drive systems and mounting points. Only certain parts like grids may sometimes be interchangeable depending on models and production years.

Used Shaker - page 6

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